/* CoralCube | Massively Multiplayer Online Role-Playing Game(MMORPG) Emulator.
|* 
|* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
|*               2008-2010 TrinityCore <http://www.trinitycore.org/>
|*               2008-2010 CoralCube <http://www.CoralCube.com/>
|*
|* This program is free software. You can redistribute it and/or modify it under the terms of 
|* the GNU General Public License as published by the Free Software Foundation, either 
|* version 2 of the License.
|*
|* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, 
|* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
|* See the GNU General Public License for more details.
|*
|* You should have received a copy of the GNU General Public License along with this program. 
|* If not, see <http://www.gnu.org/licenses/>.
|*/

#include "Common.h"
#include "Log.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "ObjectAccessor.h"
#include "CreatureAI.h"
#include "ObjectDefines.h"

void WorldSession::HandleAttackSwingOpcode(WorldPacket & recv_data)
{
    uint64 guid;
    recv_data >> guid;

    sLog.outStaticDebug("WORLD: Recvd CMSG_ATTACKSWING Message guidlow:%u guidhigh:%u", GUID_LOPART(guid), GUID_HIPART(guid));

    Unit *pEnemy = ObjectAccessor::GetUnit(*_player, guid);

    if (!pEnemy)
    {
        if (!IS_UNIT_GUID(guid))
            sLog.outError("WORLD: Object %u (TypeID: %u) isn't player, pet or creature",GUID_LOPART(guid),GuidHigh2TypeId(GUID_HIPART(guid)));
        else
            sLog.outError("WORLD: Enemy %s %u not found",GetLogNameForGuid(guid),GUID_LOPART(guid));

        // stop attack state at client
        SendAttackStop(NULL);
        return;
    }

    if (!_player->canAttack(pEnemy))
    {
        sLog.outError("WORLD: Enemy %s %u is friendly",(IS_PLAYER_GUID(guid) ? "player" : "creature"),GUID_LOPART(guid));

        // stop attack state at client
        SendAttackStop(pEnemy);
        return;
    }

    _player->Attack(pEnemy,true);
}

void WorldSession::HandleAttackStopOpcode(WorldPacket & /*recv_data*/)
{
    GetPlayer()->AttackStop();
}

void WorldSession::HandleSetSheathedOpcode(WorldPacket & recv_data)
{
    uint32 sheathed;
    recv_data >> sheathed;

    //sLog.outDebug("WORLD: Recvd CMSG_SETSHEATHED Message guidlow:%u value1:%u", GetPlayer()->GetGUIDLow(), sheathed);

    if (sheathed >= MAX_SHEATH_STATE)
    {
        sLog.outError("Unknown sheath state %u ??",sheathed);
        return;
    }

    GetPlayer()->SetSheath(SheathState(sheathed));
}

void WorldSession::SendAttackStop(Unit const* enemy)
{
    WorldPacket data(SMSG_ATTACKSTOP, (8+8+4));             // we guess size
    data.append(GetPlayer()->GetPackGUID());
    data.append(enemy ? enemy->GetPackGUID() : 0);          // must be packed guid
    data << uint32(0);                                      // unk, can be 1 also
    SendPacket(&data);
}
